Home / 24,431.86-36,640.46-10,391.78

Finding the Fourth Proportional to 24,431.86, 36,640.46 and 10,391.78

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Solution

The fourth proportional to 24,431.86, 36,640.46 and 10,391.78 is: 15,584.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,431.86 : 36,640.46 = 10,391.78 : x
  2. Step 2: Convert to fraction form
    24,431.86/36,640.46 = 10,391.78/x
  3. Step 3: Cross multiply
    24,431.86x = 36,640.46 × 10,391.78
  4. Step 4: Simplify right side
    24,431.86x = 380,759,599.42
  5. Step 5: Solve for x
    x = 380,759,599.42/24,431.86
  6. Step 6: Final answer
    x = 15,584.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.